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This Circles and Other Conics unit plan also includes:
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Through a variety of hands-on activities and physical scenarios, this far-reaching unit leads learners through an exceptionally thorough exploration of circles and parabolas as conic sections. Geometric construction techniques are used as manipulatives for the development of coordinate plane equations, and then these equations are linked to the properties of quadratic forms. Learners also work to manipulate given quadratic forms to tease out hidden features and patterns of circles and parabolas.
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CCSS:
Designed
Concepts
Additional Tags
Instructional Ideas
- Sprinkler activity (8.2) could be completed as a class or small group activity in a field or gymnasium
Classroom Considerations
- Geometric construction and experimentation lead to development of parabolic and circle properties, but ellipses and hyperbolas are not included
Pros
- Exceptionally thorough and detailed activities, teacher notes, and worksheets
- Students are led to consider underlying concepts, not just memorize patterns
- Traditionally complicated concepts of conic features are broken into manageable and intuitive discovery lessons
- Relevant concepts (specifically completing the square and manipulating quadratics) reviewed in activities before being used
Cons
- No teacher keys for student worksheets
- No final summative assessment provided